Peripheral Nervous System Quiz: Test Your Knowledge

Question 1

Which of the following cranial nerves is responsible for facial expression?

Accepted Answer

Facial nerve (CN VII)

Answer

Trigeminal nerve (CN V)

Answer

Glossopharyngeal nerve (CN IX)

Answer

Vagus nerve (CN X)

Question 2

Which of the following is NOT a function of the sympathetic nervous system?

Accepted Answer

Decreased digestion

Answer

Increased heart rate

Answer

Dilation of pupils

Answer

Constriction of blood vessels

Question 3

Which cranial nerve is responsible for transmitting impulses from the vestibular apparatus?

Accepted Answer

Vestibulocochlear nerve (CN VIII)

Answer

Facial nerve (CN VII)

Answer

Glossopharyngeal nerve (CN IX)

Answer

Vagus nerve (CN X)

Question 4

Which of the following is a function of the dorsal root ganglion?

Accepted Answer

Transmit sensory impulses to the spinal cord

Answer

Transmit motor impulses to the muscles

Answer

Control the release of neurotransmitters at the synapse

Answer

Regulate blood pressure

Question 5

Which of the following is a characteristic of a somatic nerve?

Accepted Answer

Serves skeletal muscles

Answer

Transmits autonomic impulses

Answer

Contains only afferent fibers

Answer

Is part of the central nervous system

Question 6

Which of the following is NOT a branch of the trigeminal nerve?

Accepted Answer

Trochlear nerve

Answer

Mandibular nerve

Answer

Maxillary nerve

Answer

Ophthalmic nerve

Question 7

Which nerve innervates the diaphragm?

Accepted Answer

Phrenic nerve

Answer

Sciatic nerve

Answer

Vagus nerve

Answer

Median nerve

Question 8

Which spinal nerve originates from the fifth cervical vertebra?

Accepted Answer

C5

Answer

C4

Answer

C6

Answer

C7

Question 9

Which cranial nerve is responsible for facial expression?

Accepted Answer

Facial nerve

Answer

Trigeminal nerve

Answer

Vagus nerve

Answer

Glossopharyngeal nerve

Question 10

Which type of nerve fiber conducts impulses away from the central nervous system?

Accepted Answer

Efferent fiber

Answer

Afferent fiber

Answer

Interneuron

Answer

Sensory fiber

Question 11

Which of the following is a sympathetic ganglion?

Accepted Answer

Celiac ganglion

Answer

Trigeminal ganglion

Answer

Dorsal root ganglion

Answer

Vestibular ganglion

Question 12

Which nerve plexus is formed by the ventral rami of the lumbar spinal nerves?

Accepted Answer

Lumbar plexus

Answer

Brachial plexus

Answer

Sacral plexus

Answer

Cervical plexus

Question 13

Which of the following is a function of the enteric nervous system?

Accepted Answer

Control of digestion

Answer

Regulation of blood pressure

Answer

Initiation of respiratory movements

Answer

Sensory perception of pain

Question 14

Which of the following is NOT a function of the peripheral nervous system?

Accepted Answer

Higher-level cognitive processing

Answer

Sensory reception

Answer

Motor control

Answer

Autonomic regulation

Question 15

The trochlear nerve (CN IV) innervates which of the following muscles?

Accepted Answer

Superior oblique

Answer

Levator palpebrae superioris

Answer

Orbicularis oculi

Answer

Rectus lateralis

Question 16

Which of the following is a branch of the vagus nerve?

Accepted Answer

Recurrence laryngeal nerve

Answer

Spinal accessory nerve

Answer

Femoral nerve

Answer

Radial nerve

Question 17

The sciatic nerve is formed by the union of which two spinal nerves?

Accepted Answer

L5-S1

Answer

L4-L5

Answer

S1-S2

Answer

S2-S3

Question 18

Which type of receptor is responsible for detecting pain?

Accepted Answer

Nociceptor

Answer

Mechanoreceptor

Answer

Thermoreceptor

Answer

Photoreceptor

Question 19

The myelin sheath of peripheral nerves is produced by:

Accepted Answer

Schwann cells

Answer

Oligodendrocytes

Answer

Astrocytes

Answer

Ependymal cells

Question 20

The autonomic nervous system is divided into which two divisions?

Accepted Answer

Sympathetic and parasympathetic

Answer

Sensory and motor

Answer

Somatic and visceral

Answer

Central and peripheral

Question 21

Which of the following is NOT a primary function of the peripheral nervous system?

Accepted Answer

Control of hormone secretion

Answer

Transmission of sensory information

Answer

Motor control of skeletal muscles

Answer

Coordination of reflexes

Question 22

Which of the following nerves carries both sensory and motor fibers?

Accepted Answer

Femoral nerve

Answer

Hypoglossal nerve

Answer

Olfactory nerve

Answer

Optic nerve

Question 23

What is the primary function of the dorsal root ganglion?

Accepted Answer

Contains the cell bodies of sensory neurons

Answer

Transmits motor impulses to muscles

Answer

Controls autonomic reflexes

Answer

Initiates action potentials in motor neurons

Question 24

Which type of nerve fiber is characterized by its myelination and rapid impulse conduction?

Accepted Answer

Group A fibers

Answer

Group B fibers

Answer

Group C fibers

Answer

Group D fibers

Question 25

What is the primary neurotransmitter released at the neuromuscular junction?

Accepted Answer

Acetylcholine

Answer

Dopamine

Answer

Serotonin

Answer

GABA

Question 26

Which of the following is NOT an example of a reflex?

Accepted Answer

Voluntary movement of the arm

Answer

Withdrawal reflex in response to pain

Answer

Pupillary light reflex

Answer

Patellar tendon reflex

Question 27

What are the three layers of connective tissue that surround peripheral nerves?

Accepted Answer

Endoneurium, perineurium, epineurium

Answer

Meninges, dura mater, arachnoid mater

Answer

Sheath of Schwann, myelin sheath, endoneurium

Answer

Fascia, epineurium, perineurium

Question 28

Which of the following is a common peripheral neuropathy affecting the median nerve?

Accepted Answer

Carpal tunnel syndrome

Answer

Guillain-Barré syndrome

Answer

Bell's palsy

Answer

Charcot-Marie-Tooth disease

Question 29

What is the primary function of the autonomic nervous system?

Accepted Answer

Regulation of involuntary bodily functions

Answer

Mediation of conscious sensory experiences

Answer

Processing of higher-order cognitive functions

Answer

Initiation of voluntary muscle contractions